RE: [PATCH net-next v3 08/14] net: ethernet: oa_tc6: Remove FCS size in RX frame

[Selvamani Rajagopal]

> 
> On Fri, May 29, 2026 at 06:41:00PM +0000, Selvamani Rajagopal wrote:
> > When MAC-PHY appends FCS to the incoming frame, FCS,
> > it is removed from the frame before passing it to the stack.
> 
> What is missing from this commit message is an answer to the question
> "Why?". Does the stack do something wrong if there is a FCS at the end
> of the frame?

That was a little mystery to me as well when our SQA alerted me with the issue.
When I tested, ping worked fine without any issue even with the frames with FCS appended. 
But strangely ptp4l utility failed with invalid data size. Once we removed FCS, it worked fine.

Will add this reason in the commit message.

> 
> Andrew